4.23 UpdateGrass took twice time than 4.22

UE - World Creation - Worldbuilding Tools - Foliage - Sep 12, 2019

Lumen tile classification flicker

UE - Graphics Features - Lumen - Apr 19, 2023

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...

Changing the Resolution scale in Engine scalability can cause actors to be offset when ejected from the player controller

UE - Graphics Features - Nov 30, 2015

If the user turns down the Resolution scale, plays in editor, and then ejects from the currently controlled pawn The actors in the scene will be hard to click on because they appear to be offset fro ...

ConstructorHelpers::FObjectFinder failing to compile with UPaperFlipbook

UE - Foundation - Core - Feb 21, 2017

If ConstructorHelpers::FObjectFinder is used with UPaperFlipbook as its class specifier, compiling the code fails with the following error: Error C2664 'void ConstructorHelpers::ValidateObject(UObj ...

Regression in reroute node alignment, causing them to no longer line up with any wires

UE - Gameplay - Blueprint Editor - Jun 2, 2017

The change to make the grab handle a uniform size in CL# 3319966 changed the distance from the top of the node to the pin, which breaks a part of their primary purpose, to soothe OCD misalignment is ...

Niagara: Losing focus when editor is open

UE - Anim - Sequencer - Apr 5, 2019

Reported by a user from Reflector. ...

InstanceOnly UProperties accessible in Blueprint

UE - Gameplay - Blueprint Editor - Nov 30, 2022

Reproduced 3/3 times. Issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...

Widget interaction component appears to stop working after entering a physics volume

UE - Editor - UI Systems - Aug 24, 2016

Widget interaction component appears to stop working after entering a physics volume. A Physics Volume appears to deactivate the Widget interaction component ...

DetourCrowdAIController Using Incorrect Nav Agent

UE - AI - May 22, 2017

Pawns using a DetourCrowdAIController do not appear to be using the correct Nav Agent when attempting to move. Setting the AI Controller class to a normal AI Controller allows it to complete the s ...

UV Flipping Mode Causes Stretching of Particles

UE - Niagara - Nov 17, 2017

If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...